搜索结果: 1-15 共查到“知识库 地理信息系统 LiDAR”相关记录23条 . 查询时间(0.108 秒)
AUTOMATIC RIVER NETWORK EXTRACTION FROM LIDAR DATA
Lidar DTM water resources fundamental datasets IGN-ES INSPIRE
2016/11/30
National Geographic Institute of Spain (IGN-ES) has launched a new production system for automatic river network extraction for the Geospatial Reference Information (GRI) within hydrography theme. The...
PROCESSING UAV AND LIDAR POINT CLOUDS IN GRASS GIS
3D rasters decimation sampling binning LAS PDAL PCL Kinect
2016/11/24
Today’s methods of acquiring Earth surface data, namely lidar and unmanned aerial vehicle (UAV) imagery, non-selectively collect or generate large amounts of points. Point clouds from different source...
EXTENSION OF RCC TOPOLOGICAL RELATIONS FOR 3D COMPLEX OBJECTS COMPONENTS EXTRACTED FROM 3D LIDAR POINT CLOUDS
Topological relations planar regions components automatic 3D modelling point cloud
2016/7/27
Topological relations are fundamental for qualitative description, querying and analysis of a 3D scene. Although topological relations for 2D objects have been extensively studied and implemented in G...
APPLICATION AND ANALYSES OF AIRBORNE LIDAR TECHNOLOGY IN TOPOGRAPHIC SURVEY OF TIDAL FLAT AND COASTAL ZONE
Coast Application LIDAR DEM Surveying
2015/12/28
LIDAR(Light Detection and Ranging) is a new technology of acquiring three-dimensional (3D) coordinates with high precise and density, which gathers laser measure distance, computer, GPS(Global Positio...
Toward Continuous and Updated 3D Geospatial Terrain Modelling Based on DTM and LIDAR Data
Spatial Analysis Database Updating Computer Vision Data Integration
2015/12/16
The constant need for updated and accurate representation of our natural environment, which can be produced from various mapping and observation tools, is one of the major missions the geoinformation ...
The Importance of Understanding Error in Lidar Digital Elevation Models
Laser Scanning Error Urban Accuracy
2015/7/9
The paper presents the results of an accuracy analysis of a number of gridded Digital Surface Models (DSMs) which have been
created from first return laser scanning (LiDAR) data. DSMs are created usi...
Assessment of Lidar and Digital Camera Data in The Context of Rapid Change Detection Methodologies
LIDAR DEM/DTM Multisensor Change Detection
2015/7/9
Emergency mapping is one of the areas studied by the Centre of Topographic Information within the Emergency Mapping project of
the Natural Hazards and Emergency Response Program of the Earth Science ...
OBJECT-BASED EVALUATION OF LIDAR AND MULTISPECTRAL DATA FOR AUTOMATIC CHANGE DETECTION IN GIS DATABASES
GIS Change Detection Fusion Classification LIDAR Multispectral
2015/6/1
The automatic interpretation of aerial and satellite images is one of the main important research topics in photogrammetry and image analysis. The aim of the interpretation is the recognition or verif...
THE EFFECTS OF LIDAR DSM GRID RESOLUTION ON CATEGORISING RESIDENTIAL AND INDUSTRIAL BUILDINGS
LIDAR DSM 3D Surface Models RMSE Resolution Classification Land Use
2014/12/22
This paper reports the initial results of an analysis of LIDAR data using statistical methods in an attempt to categorise residential and industrial buildings. Two study sites representing these two l...
A DATA DRIVEN METHOD FOR BUILDING RECONSTRUCTION FROM LiDAR POINT CLOUDS
3D building model Building extraction Segmentation Edge points detection Line approximation
2014/12/1
Airborne laser scanning, commonly referred to as LiDAR, is a superior technology for three-dimensional data acquisition from Earth's surface with high speed and density. Building reconstruction is one...
Raster Vs. Point Cloud LiDAR Data Classification
LiDAR intensity data Land Cover classification Point Clouds
2014/9/29
Airborne Laser Scanning systems with light detection and ranging (LiDAR) technology is one of the fast and accurate 3D point data acquisition techniques. Generating accurate digital terrain and/or sur...
Hyperspectral lidar in non-destructive 4D monitoring of climate variables
Laser scanning Spectroscopy Time series Environmental studies
2014/9/29
The first applications of a prototype 8-channel full waveform active hyperspectral lidar (HSL) show a possibility to determine various target 3D characteristics with remote observations. The results o...
Investigating Performance Of Airborne Lidar Data Filtering With Triangular Irregular Network (TIN) Algorithm
Airborne Lidar Filtering TIN Algorithm DEM
2014/9/29
Digital Elevation Model (DEM) is an important topographic product and essential demand for many applications. Traditional methods for creating DEM are very costly and time consuming because of land su...
Lidar Processing for Defining Sinkhole Characteristics under Dense Forest Cover: A Case Study in the Dinaric Mountains
Sinkholes Dolines Geomorphology Forestry Dense canopy cover Lidar
2014/9/29
The traditional approach for defining sinkholes characteristics is based on topographic maps and air photographs with derived digital terrain models. This method is sometimes not accurate, requiring c...
THE RAILMAPPER – A DEDICATED MOBILE LIDAR MAPPING SYSTEM FOR RAILWAY NETWORKS
Mobile Mapping GPS/INS LiDAR Multisensor Systems
2014/4/28
The Mobile LiDAR Mapping System StreetMapper from IGI and 3D Laser Mapping (Bingham Nottingham, UK) is mounted on a large variety of road vehicles to cover different mission specifications. In additio...